Donna Lynn Casey, M.D.
Internal Medicine Physician · Dallas, TX
Donna Lynn Casey, M.D. is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1689612749, issued on Jun 2, 2006. Check the license (Texas L7681, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donna Lynn Casey
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L7681 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8210 Walnut Hill LN, Dallas, TX 75231
- Phone
- (214) 691-5491
- Enumerated
- Jun 2, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (214) 265-0588
- Medicare enrollment
- Enrolled (PECOS I20060301000443); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 8210 Walnut Hill LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Brannon, ROBERT BRANNON,M.D.Specialist1396862322
- Philip Brown, MDAnesthesiology Physician1063528834
- Julye Carew, M.D.Pulmonary Disease Physician1780647883
- Paul Cary, MDInternal Medicine Physician1548250269
- Franklin Casey, M.D.Internal Medicine Physician1790724748
- Michael Champine, MDOrthopaedic Surgery Physician1669481651
Verify Donna Lynn Casey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L7681Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,853 Medicare Part D claims for 775 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 178 claims were for opioids.
Most prescribed
- Levothyroxine Sodium699 claims
- Atorvastatin Calcium476 claims
- Amlodipine Besylate320 claims
- Lisinopril296 claims
- Losartan Potassium202 claims
- Rosuvastatin Calcium198 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $194.87
5 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Donna L Casey MD PLLCDallas, TX
- Green Oaks Physical Therapy Limited PartnershipMidlothian, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.
All 956 in Dallas → All 9,175 in Texas → Every provider in Dallas →
Other internal medicine physician records in Texas
- Muhammad A. Sattar, MDDallas, TX1760465553
- Gayatri Aaluri, MDGalveston, TX1821928508
- Anunaya AashishDenton, TX1134246374
- Queenie Ann Abad, M.D.San Antonio, TX1174979785
- Fuad Abaleka, M.DLubbock, TX1861925596
- Carol Abalihi, M.D.El Paso, TX1326136243
- Oliverio Abarca Guzman, MDHarlingen, TX1346972940
- Obinna Abaribe, M.DMansfield, TX1457704355
- Enyinnaya Abarikwu, MDTyler, TX1174788178
- Sulaiman Abawi, D.O.Frisco, TX1780845255
Common questions
What is Donna Lynn Casey, M.D.'s NPI number?
Donna Lynn Casey, M.D.'s National Provider Identifier (NPI) is 1689612749, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donna Lynn Casey, M.D. located?
The NPPES record lists a practice address at 8210 Walnut Hill LN, Dallas, TX, 75231. Phone: (214) 691-5491. Providers update this record themselves, so call before visiting.
How can I verify Donna Lynn Casey, M.D.'s license?
NPPES lists Texas license number L7681, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donna Lynn Casey, M.D. prescribe under Medicare Part D?
In 2024, Donna Lynn Casey, M.D. had 8,853 Medicare Part D claims for 775 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.